門式起重機
門式起重機又名龍門起重機,俗稱龍門吊或門吊,是建立在龙门之上的起重机,而龙门是一种能跨越巨大物体的结构。門式起重機能够吊起一些較重的物體。
Text is available under the CC BY-SA 4.0 license; additional terms may apply.
Images, videos and audio are available under their respective licenses.
門式起重機又名龍門起重機,俗稱龍門吊或門吊,是建立在龙门之上的起重机,而龙门是一种能跨越巨大物体的结构。門式起重機能够吊起一些較重的物體。
Would you like to suggest this photo as the cover photo for this article?
Yes, this would make a good choice No, never mindYour input will affect cover photo selection, along with input from other users.
Get ready for Wikiwand 2.0 🎉! the new version arrives on September 1st! Don't want to wait?